The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2023
Filed:
Jan. 14, 2022
Applicant:
Western Digital Technologies, Inc., San Jose, CA (US);
Inventor:
Takehiko Eguchi, Tokyo, JP;
Assignee:
Western Digital Technologies, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/55 (2006.01); G11B 5/31 (2006.01); G11B 5/48 (2006.01);
U.S. Cl.
CPC ...
G11B 5/556 (2013.01); G11B 5/3156 (2013.01); G11B 5/488 (2013.01); G11B 5/4813 (2013.01); G11B 5/5565 (2013.01);
Abstract
In illustrative aspects, a system comprises an actuator; a control object, controlled by the actuator; and one or more processing devices. The one or more processing devices are configured to perform positioning control of the control object via the actuator, wherein performing the positioning control comprises: generating a feedforward polydyne positioning control input; and outputting the feedforward polydyne positioning control input to the actuator.